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In survival analysis, proportional hazards model is the most commonly used and the Cox model is the most popular. These models are developed to facilitate statistical analysis frequently encountered in medical research or reliability studies. In analyzing real data sets, checking the validity of...
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thoroughly studied in the economic literature, a mathematical martingale theory of bubbles, based on an absence of arbitrage has … construct a flow in the space of equivalent martingale measures and we study the shifting perception of the fundamental value of … martingale measure used for pricing. In this way we are able to unify the classical martingale theory of bubbles with a …
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